Alright, let's work through 1849 times 999 step by step
1849 × 999 = 999 × (1849)
+ 999 × 9 that equals 8991
+ 999 × 40 that equals 39960
+ 999 × 800 producing 799200
+ 999 × 1000 resulting in 999000

= 1847151
